The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 2020
Filed:
Oct. 05, 2017
Applicant:
Ansaldo Energia Switzerland Ag, Baden, CH;
Inventors:
Assignee:
ANSALDO ENERGIA SWITZERLAND AG, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23R 3/36 (2006.01); F23R 3/28 (2006.01); F02C 3/04 (2006.01); F02C 7/22 (2006.01);
U.S. Cl.
CPC ...
F23R 3/36 (2013.01); F23R 3/286 (2013.01); F02C 3/04 (2013.01); F02C 7/222 (2013.01); F23N 2235/26 (2020.01); F23R 2900/03341 (2013.01);
Abstract
A dual fuel concentric nozzle such as for a dual fuel injector of a sequential burner of a sequential gas turbine, the dual fuel concentric nozzle having a nozzle downstream end, a liquid fuel duct, a gas fuel duct concentrically surrounding the liquid fuel duct and defining a gas fuel passage between the outer surface of the liquid fuel duct and the inner surface of the gas fuel duct, and a lateral surface concentrically surrounding the gas fuel duct and defining a carrier air passage, a downstream end edge of the gas fuel duct being recessed inside the nozzle downstream end with respect to a downstream end edge of the liquid fuel duct.